Check out the companies making headlines this week:

Energy Recovery (NASDAQ: ERII): Energy recovery device manufacturer Energy Recovery (NASDAQ: ERII) rose by 3.4% on Wednesday after the stock rallied on what appeared to be continued positive trading momentum. See our full article here.

Is now the time to buy Energy Recovery? Access our full analysis report here.

Strategy (NASDAQ: MSTR): Bitcoin development company Strategy (NASDAQ: MSTR) fell by 11.2% on Monday after Bitcoin's price continued its sharp decline, hitting its lowest levels in months and dragging down all crypto-related stocks. See our full article here.

Is now the time to buy Strategy? Access our full analysis report here.

Okta (NASDAQ: OKTA): Identity management company Okta (NASDAQ: OKTA) rose by 3.6% on Wednesday after it reported third-quarter financial results that beat analyst expectations and issued an upbeat forecast for the fourth quarter. See our full article here.

Is now the time to buy Okta? Access our full analysis report here.

Dave (NASDAQ: DAVE): Digital banking platform Dave (NASDAQ: DAVE) fell by 7.6% on Monday after investor sentiment soured following significant stock sales by company insiders and a recent ratings downgrade. See our full article here.

Is now the time to buy Dave? Access our full analysis report here.

Chegg (NYSE: CHGG): Online study and academic help platform Chegg (NYSE: CHGG) fell by 8.7% on Monday after the Federal Trade Commission (FTC) took action against peer company Illuminate Education, Inc. over a major data breach. See our full article here.

Is now the time to buy Chegg? Access our full analysis report here.