Check out the companies making headlines this week:

Monolithic Power Systems (NASDAQ: MPWR): Power management chips maker Monolithic Power Systems (NASDAQ: MPWR) rose by 2.4% on Monday after investor optimism continued to be fueled by the company's strong revenue growth and a positive consensus among analysts. See our full article here.

Is now the time to buy Monolithic Power Systems? Access our full analysis report here.

Alphabet (NASDAQ: GOOGL): Online advertising giant Alphabet (NASDAQ: GOOGL) fell by 2.6% on Thursday after reports surfaced that its Google unit was expected to be fined by EU antitrust regulators for favoring its own services, contributing to a broader tech sector downturn. See our full article here.

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

Enova (NYSE: ENVA): Financial technology company Enova International (NYSE: ENVA) rose by 13.1% on Thursday after the company announced it agreed to acquire Grasshopper Bancorp, a digital bank, in a cash-and-stock transaction valued at approximately $369 million. See our full article here.

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

Revolve (NYSE: RVLV): Online fashion retailer Revolve (NASDAQ: RVLV) rose by 5.3% on Tuesday after the company's luxury fashion division, FWRD, announced it was gaining market share and expanding its leadership globally. See our full article here.

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

Bruker (NASDAQ: BRKR): Scientific instrument company Bruker (NASDAQ: BRKR). rose by 3.6% on Wednesday after the company announced it received approximately $25 million in orders for its high-performance magnetic resonance systems from leading European research institutions. See our full article here.

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