Stocks making the biggest moves midday: Akamai, Fluence, Cloudflare, Micron Technology, Upwork & more

Here are the stocks making headlines in midday trading. Fluence Energy – The battery storage maker soared almost 30%. HSBC and Roth Capital both upgraded Fluence after fiscal second-quarter earnings before interest, taxes, depreciation and amortization topped Wall Street analyst estimates, according to FactSet. The stock skyrocketed roughly 40% in the prior session. Corpay – Shares of the corporate payments company jumped 10% after Corpay lifted its full-year guidance. The company sees earnings ranging from $26.30 to $27.10 per share, versus its earlier outlook for $25.50 to $26.50 a share. Analysts polled by FactSet had estimated $26.05. Adjusted profit and revenue in the first quarter also surpassed estimates. Chip stocks – The VanEck Semiconductor ETF (SMH) popped more than 3% to a new 52-week high as investors snapped up shares of chip companies. Micron Technology added 13%, and Qualcomm jumped about 9%. Advanced Micro Devices rose 8%. MercadoLibre – The online marketplace saw shares tumble about 12%. MercadoLibre's first-quarter earnings came in short of analysts' estimates, landing at $8.23 per share, versus the consensus call for $8.50 per share. Operating margin for the period also fell short of expectations, coming in at 6.9%. The StreetAccount consensus estimate called for 7.7%. AppLovin – The mobile marketing company dropped 5% as investors sold shares after an earnings-fueled jump. …