Earnings season's in full swing, and it's helping to sway the fortunes of the CE 100 Index, which was up 5.9% through the week.Coursera shares led the work segment with a gain of 19.8% after reporting higher revenues for the first quarter.Tesla's net income dropped by 71% compared to a year ago, but the stock rose 18% on the news of Elon Musk stepping back from DOGE-related activities.Amazon and Alphabet saw their shares rise as they reported higher-than-expected earnings and revenue for the first quarter.