Stocks that moved substantially or traded heavily Friday:
Tesla Inc., down $42.75 to $264.77
The Securities and Exchange Commission sought the removal of CEO Elon Musk, saying he committed securities fraud by misleading investors.
J.C. Penney Co., down 7 cents to $1.66
The struggling retailer said its chief financial officer, Jeffrey Davis, is leaving the company.
Royal Bank of Scotland Group PLC, down 23 cents to $6.53
European banks fell after Italy's government announced plans to sharply increase spending, setting up a clash with the European Union.
BlackBerry Ltd., up $1.19 to $11.38
The company reported earnings and revenue that came in ahead of analysts' forecasts.
Progress Software Corp., down $7.26 to $35.29
The company reported revenue that fell short of what investors were expecting.
CalAmp Corp., up $1.68 to $23.96
The wireless communications company reported results that beat analysts' forecasts.
Applied Optoelectronics Inc., down $3.70 to $24.66
The company lowered its third-quarter revenue forecast, citing problems with a small number of its 25G lasers.
Vail Resorts Inc., down $11.71 to $274.42
The ski resort operator posted revenue that fell short of Street forecasts.