Check out the companies making headlines this week:

IPG Photonics (NASDAQ: IPGP): Fiber laser manufacturer IPG Photonics (NASDAQ: IPGP) rose by 5.3% on Tuesday after Stifel reiterated its Buy rating and $125 price target on the stock, with the move also supported by a broader rebound in the semiconductor sector. See our full article here.

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Micron (NASDAQ: MU): Memory chips maker Micron (NASDAQ: MU) fell by 6.9% on Thursday after a class-action lawsuit, significant insider selling, and a broader sector-wide selloff prompted investors to take profits. See our full article here.

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CarGurus (NASDAQ: CARG): Online auto marketplace CarGurus (NASDAQ: CARG) rose by 3.7% on Monday after the company announced it will require dealers to disclose fees on all used vehicle listings starting July 14. See our full article here.

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Qualcomm (NASDAQ: QCOM): Wireless chipmaker Qualcomm (NASDAQ: QCOM) fell by 4.5% on Thursday after Elon Musk denied reports that SpaceX was developing an AI device using the company's Snapdragon chip, and after its removal from several Russell indexes. See our full article here.

Is now the time to buy Qualcomm? Access our full analysis report here, it’s free.

Qualys (NASDAQ: QLYS): Cybersecurity cloud platform provider Qualys (NASDAQ: QLYS) rose by 7.6% on Tuesday after JPMorgan upgraded its rating on the stock to Neutral from Underweight and increased its price target to $139 from $87. See our full article here.

Is now the time to buy Qualys? Access our full analysis report here, it’s free.