See the companies making headlines in midday trading. Geron Corporation. Shares of the biotech company soared 92% after a US Food and Drug Administration advisory panel voted in favor of Gerona’s drug imetelstat. Geron expects a regulatory decision in June. Micron Technology – Shares of the semiconductor company rose 2% after Citi named Micron one of its top picks and raised its price target by $55 to $150. The bank said the shares deserve a premium given the company’s growing exposure to artificial intelligence. Rivian Automotive — Shares jumped 3.3% after Piper Sandler upgraded the electric vehicle maker to outperform and raised its price target to $21 from $15, implying 96% upside from Thursday’s close. The firm said it was optimistic about Rivian’s new product launch and its decision to defer capital spending. Fisker — Shares rose 12.8%, or two cents, after the failed electric vehicle maker downplayed talk of a possible bankruptcy filing, saying it was trying to raise more capital and hoped to strike a deal with another automaker. The stock is still down about 53% for the week. Adobe — Shares fell 13.7% after the software company issued weak revenue guidance for the current quarter. Jabil – Shares fell 16.5% after the global manufacturing company’s second-quarter earnings fell below analysts’ expectations. Jabil also lowered its fiscal 2024 outlook. PagerDuty – Shares fell 7.3% after the technology company issued weaker-than-expected guidance, expecting adjusted earnings per share of 12 cents to 13 cents. That’s below the LSEG (formerly Refinitiv) consensus estimate of 18 cents per share. Revenue guidance was in the range of $110.5 million to $112.5 million, also below analysts’ expectations of $113.4 million. Smartsheet, the business software provider’s shares, fell 6.9% after releasing revenue guidance that was worse than analysts expected. Smartsheet forecasts revenue of $257 million to $259 million for the current quarter and $1.113 billion to $1.118 billion for the full year. Meanwhile, analysts polled by FactSet forecast $262.3 million for the quarter and $1.14 billion for the year. Ulta Beauty — Shares fell 5.2% after the beauty retailer posted disappointing full-year earnings guidance. However, Ulta reported higher earnings and revenue in the fourth quarter. Cryptocurrency stocks. Cryptocurrency stocks fluctuated after Bitcoin retreated from its recent highs in overnight trading. Shares of Coinbase and Marathon Digital rose 3.7% and nearly 6%, respectively, reversing the stock’s previous declines. Shares of bitcoin buyer MicroStrategy also jumped 6.3%. Zoumies – Shares fell 7.7% after the specialty retailer on Thursday forecast a first-quarter loss of $1.09 to $1.19 per share, compared with the consensus estimate of a loss of 34 cents per share, according to FactSet. The company’s revenue forecast also fell short of expectations. Cardlytics – The advertising company’s share price jumped 77.2% after Cardlytics’ 2023 EBITDA turned positive for the first time since 2019. The company also gave better-than-expected guidance for the first quarter. Steel Dynamics — Shares of the Indiana steel company rose 4.3% after strong first-quarter earnings guidance. Steel Dynamics said it expects to earn between $3.51 and $3.55 per share in the current quarter. That’s higher than the $3.32 per share price quoted by Wall Street analysts, according to StreetAccount. — CNBC’s Alex Harring, Jesse Pound, Lisa Kailai Han and Michelle Fox Theobald contributed reporting.