mysql_query ("SELECT * FROM _$symbol ORDER BY date DESC;");


$_10day = mysql_query ("SELECT AVG(close) FROM _$symbol limit 10;");
$_21day = mysql_query ("SELECT AVG(close) FROM _$symbol limit 21;");
$_50day = mysql_query ("SELECT AVG(close) FROM _$symbol limit 50;");

echo "$_10dayn";
echo "$_21dayn";
echo "$_50dayn";


mysql_query ("INSERT INTO _$symbol(_10day) VALUE ('$_10day');");

echo mysql_errno($sql) . ": " . mysql_error($sql). "n";