NEW YORK (AP) — Stocks that are trading heavily or have substantial price changes on Thursday:
Fastenal Co. (FAST), down $3.58 to $71.16.
The distributor of nuts and bolts to the construction industry reported disappointing first-quarter financial results.
CarMax Inc. (KMX), down $9.29 to $70.01.
The used car chain's fiscal fourth-quarter earnings fell short of analysts' forecasts.
Alpine Immune Sciences Inc. (ALPN), up $17.32 to $64.36.
Vertex Pharmaceuticals is buying the biopharmaceutical company for about $4.9 billion.
Arvinas Inc. (ARVN), up $1.99 to $38.72.
The biopharmaceutical company signed a licensing deal with Novartis over a potential prostate cancer treatment.
Rocket Lab USA Inc. (RKLB), up 18 cents to $3.92.
The developer of rocket launch and control systems announced a $32 million contract with the U.S. Space Force.
Peabody Energy Corp. (BTU), down 3 cents to $23.54.
The Missouri-based coal miner gave investors a disappointing financial update.
Northern Technologies International Corp. (NTIC), up $1.59 to $13.69.
The rust and corrosion prevention company beat analysts' fiscal second-quarter earnings forecasts.
Conn’s Inc. (CONN), up 23 cents to $3.42.
The Texas-based furniture and appliance chain fell short of Wall Street's sales forecasts.