public void act(int whichStock, Action action, int amount) {
        Stock stock01 = stock1;
        Stock stock02 = stock2;
        Stock stock03 = stock3;
        //test if should be 2 or 3
        if (isStarted() == true) {
            switch (action) {
                case UP:
                    //handle a stock split
                    if (stock01.getValue() + amount >= 200) {
                        player.setHolding1(player.getHolding1() * 2);
                        stock01.setValue(100);
                        log("SPLIT: Set player " + player.getName() + "'s " + stock01.getName() + " to " + player.getHolding1() + " and reset stock to 100");
                    } else if (stock02.getValue() + amount >= 200) {
                        player.setHolding2(player.getHolding2() * 2);
                        stock02.setValue(100);
                        log("SPLIT: Set player " + player.getName() + "'s " + stock02.getName() + " to " + player.getHolding2() + " and reset stock to 100");
                    } else if (stock03.getValue() + amount >= 200) {
                        player.setHolding3(player.getHolding3() * 2);
                        stock03.setValue(100);
                        log("SPLIT: Set player " + player.getName() + "'s " + stock03.getName() + " to " + player.getHolding3() + " and reset stock to 100");
                    } else {
                        //handle a stock increase
                        switch (whichStock) {
                            case 1:
                                stock01.setValue(stock01.getValue() + amount);
                                log("Increased " + stock01.getName() + " by " + amount);
                                break;
                            case 2:
                                stock02.setValue(stock02.getValue() + amount);
                                log("Increased " + stock02.getName() + " by " + amount);
                                break;
                            case 3:
                                stock03.setValue(stock03.getValue() + amount);
                                log("Increased " + stock03.getName() + " by " + amount);
                                break;
                        }
                    }
                    break;
                case DOWN:
                    //handle a stock delist
                    if (stock01.getValue() - amount <= 0) {
                        player.setHolding1(0);
                        stock01.setValue(100);
                        log("DELIST: Set player " + player.getName() + "'s " + stock01.getName() + " to " + player.getHolding1() + " and reset stock to 100");
                    } else if (stock02.getValue() - amount <= 0) {
                        player.setHolding2(0);
                        stock02.setValue(100);
                        log("DELIST: Set player " + player.getName() + "'s " + stock02.getName() + " to " + player.getHolding2() + " and reset stock to 100");
                    } else if (stock03.getValue() - amount <= 0) {
                        player.setHolding3(0);
                        stock03.setValue(100);
                        log("DELIST: Set player " + player.getName() + "'s " + stock03.getName() + " to " + player.getHolding3() + " and reset stock to 100");
                    } else {
                        switch (whichStock) {
                            case 1:
                                stock01.setValue(stock01.getValue() - amount);
                                log("Decreased " + stock01.getName() + " by " + amount);
                                break;
                            case 2:
                                stock02.setValue(stock02.getValue() - amount);
                                log("Decreased " + stock01.getName() + " by " + amount);
                                break;
                            case 3:
                                stock03.setValue(stock03.getValue() - amount);
                                log("Decreased " + stock01.getName() + " by " + amount);
                                break;
                        }
                    }
                    break;
                case DIV:
                    switch (whichStock) {
                        case 1:
                            if (stock01.getValue() >= 100) {
                                player.setCash(player.getCash() + (player.getHolding1() * amount));
                                log("Payed dividend of " + (player.getHolding1() * amount) + " to stock " + stock01.getName());
                                break;
                            } else {
                                break;
                            }
                        case 2:
                            if (stock02.getValue() >= 100) {
                                player.setCash(player.getCash() + (player.getHolding2() * amount));
                                log("Payed dividend of " + (player.getHolding2() * amount) + " to stock " + stock02.getName());
                                break;
                            } else {
                                break;
                            }
                        case 3:
                            if (stock03.getValue() >= 100) {
                                player.setCash(player.getCash() + (player.getHolding3() * amount));
                                log("Payed dividend of " + (player.getHolding3() * amount) + " to stock " + stock03.getName());
                                break;
                            } else {
                                break;
                            }
                    }
                    break;
            }
        } else if (isOver() == true) {
            return;
        }
    }