Yahoo Finance anchor Josh Lipton takes a look at some of the stories Wall Street is watching on Wednesday, Aug. 13. Bullish (BLSH) stock is soaring in its public debut after raising $1.1 billion. Amazon (AMZN) is expanding its grocery delivery business, planning to offer same-day delivery in 2,300 cities by the end of the year. C3.ai (AI) stock was downgraded to Market Perform from Outperform by Oppenheimer after the company reported weak preliminary quarterly results. Stay up to date on the latest market action, minute-by-minute, with Yahoo Finance’s Market Minute.