Nearing midday in Friday trading, all of the major indexes are down slightly on the day. Chip stocks are weighing on the broader markets. Nvidia (NVDA)is off close to 2% while Broadcom’s (AVGO)given back more than 2% of its recent gains. The good news is that the US S&P PMI report showed that the economy continues to expand, which should translate into higher corporate profits. The bad news if you’re looking to buy a house is that interest rates might not get cut soon. Whatever the case, Friday means I’m writing about unusual options activity from Thursday’s trading. Two companies with similar…