CarMax, Rite Aid fall; Enerpac, Vail Resorts rise Stocks that traded heavily or had substantial price changes Thursday: Amazon.com Inc., down $3.21 to $114.80. The internet retail giant is raising its average starting pay for frontline workers from $18 to $19 a hour. Starbucks Corp., down 54 cents to $86.57. The coffee chain increased its quarterly dividend. CarMax Inc., down $21.26 to $65.16. The used car dealership reported disappointing second-quarter financial results. MillerKnoll Inc., down $2.91 to $16.96. The furniture maker gave investors a discouraging earnings forecast. Enerpac Tool Group Corp., up $1.18 to $17.97. The industrial products company reported strong fourth-quarter financial results. Worthington Industries Inc., down $6.11 to $42.99. The metal manufacturer’s fiscal-first quarter earnings fell short of analysts’ forecasts Rite Aid Corp., down $1.97 to $5.06. The drugstore chain reported a surprisingly big second-quarter loss. Vail Resorts Inc., up $3.26 to $213.55. The ski resort operator beat Wall Street’s fiscal fourth-quarter financial forecasts.