Take a look at the companies that made headlines after the bell: PPG Industries – Shares of the paint and coatings company fell 1% after PPG Industries issued guidance for first-quarter earnings that were below analyst expectations, according to FactSet . The lower end of PPG's full-year earnings guidance range was also well below what analysts had hoped for. On the other hand, the company's earnings and revenue for the fourth quarter of 2023 exceeded what analysts expected. Super Micro Computer – Shares of the information technology company rose 6% after Super Micro Computer reported preliminary second-quarter adjusted earnings of between $5.40 and $5.55 per share, higher than previous guidance of between $4.40 and $4.88 per share. Super Micro also reported preliminary revenue of between $3.6 billion and $3.65 billion, higher than previous guidance of $2.7 billion to $2.9 billion. JB Hunt Transport Services – Shares rose 3% after the freight shipping company reported mixed fourth-quarter results. JB Hunt posted earnings of $1.47 per share, lower than the $1.75 forecast by analysts surveyed by LSEG. However, JB Hunt's revenue of $3.30 billion exceeded analyst expectations of $3.28 billion. Wendy's Company – The fast-food restaurant rose 1% in after-hours trading after the company named PepsiCo CEO Kirk Tanner as its new CEO. He replaces Todd Penegor, who has led the company since 2016. The shift in the C-suite comes as Wendy's grapples with pressure from activist investor Blackwells Capital. iRobot — The Roomba manufacturer plummeted by more than 30%. The Wall Street Journal reported late Thursday that the European Union's antitrust watchdog expects to block Amazon's takeover of iRobot.