Check out the companies making the biggest moves midday: Newmont , Freeport-McMoRan — The metals miners dropped 9.6% and 7.6%, respectively, as gold and silver faltered from record levels. The moves come after President Donald Trump picked Kevin Warsh to succeed Jerome Powell as Federal Reserve chair, easing fears that the central bank would lose independence. Apple — Shares fell 1.3% even after after the company posted blowout fiscal first-quarter results , with notably strong revenue from its iPhone 17 models released in September. Apple earned $2.84 per share for the quarter, higher than the $2.67 per share expected by analysts surveyed by LSEG. Revenue came out at $143.76 billion, significantly exceeding analysts’ expectation of $138.48 billion. Overall iPhone revenue surged 23% on an annual basis to $85.27 billion in revenue. Chevron — The oil giant posted fourth-quarter earnings that topped analyst expectations thanks to record oil production . The company earned an adjusted $1.52 per share, beating an LSEG consensus of $1.45 per share. Shares rose more than 1%. Sandisk — The data storage device manufacturer shared solid guidance, leading the stock to pop 10%. Sandisk sees fiscal third-quarter adjusted earnings ranging from $12 to $14 per share, versus the FactSet consensus for $5.11 per share. Second-quarter results also beat Wall Street estimates on the top and bottom lines. Visa — Shares of the finan …