def make_pipeline():

    #Stock universe
    market_cap_filter = morningstar.valuation.market_cap.latest.percentile_between(90, 100)
    value = morningstar.valuation_ratios.pb_ratio.latest.percentile_between(80, 100)
    gross_profit = morningstar.income_statement.gross_profit.latest
    total_assets = morningstar.balance_sheet.total_assets.latest
    gross_profitability = (gross_profit / total_assets).percentile_between(80, 100)

    securities = (market_cap_filter & tradeable_stocks & value & gross_profitability)

    return Pipeline(
        columns={
          'tradeable':  tradeable_stocks,
          'market_cap': morningstar.valuation.market_cap.latest,
          'p/b ratio in top 20%':  value,
          'gross_profitability': gross_profitability
        },
        screen = securities
    )