Midday trading saw notable movements among several companies. American Airlines’ shares rose 0.6% after recovering from earlier losses due to a technical flight grounding. Broadcom increased by 3.2%, continuing a strong December with a 46% rise this month. Big bank stocks gained about 2% as they sued the Federal Reserve regarding stress tests, with Citigroup and JPMorgan both seeing a nearly 2% uptick. Arcadium Lithium’s shares surged nearly 6% after announcing a $6.7 billion sale approval, while International Seaways jumped 9% after being added to the S&P SmallCap 600 index. Apple’s stock reached a new all-time high, up 1.2%.