BC-Weekly percent leaders, UPS AND DOWNS NEW YORK (AP) _ The following list shows the NYSE MKT stocks and warrants that have gone up the most and down the most in the past week based on percent of change. Only securities with closing prices or previous closing prices of at least $2 and at least 1000 shares traded are included. Net and precentage changes are the difference between last week's closing and this week's closing. UPS Name LastChgPct.