Check out the companies making headlines in midday trading. Sphere Entertainment — Shares of the media and entertainment company climbed 11.1% in midday trading after a U2 show debuted its Las Vegas Sphere venue Friday night. Bitcoin stocks — Stocks tied to digital currency trading advanced in lockstep with a rally in crypto prices. Instacart — Maplebear, the food delivery company doing business as Instacart, fell 9.2% in midday trading. The Wall Street bank said investors should buy the dip after the stock's underperformance in the first half of 2023.

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Persons: — Stocks, MicroStrategy, —, — Maplebear, Gordon Haskett, Insulet, Jefferies, Goldman Sachs, Goldman, Truist, Yun Li, Lisa Kailai Han, Pia Singh, Michelle Fox, Sarah Min, Scott Schnipper Organizations: Madison Square Garden, —, Riot, Marathon, Discover Financial, U.S . Securities, Exchange, Federal Deposit Insurance Corporation, Coeur Mining, Hecla Mining, Harmony, Mining, Gold Resource, Barclays, Norfolk Southern, Bank of America, Nvidia —, Nvidia, Apple, JPMorgan, UBS Locations: Las Vegas, lockstep, Coeur, Wall