Stocks are scattered this afternoon, after Moody’s cut its U.S. credit rating outlook. At last glance, the Dow Jones Industrial Average (DJI) is modestly above breakeven, while the S&P 500 Index (SPX) and Nasdaq Composite (IXIC) both swim in red ink. Traders are also keeping an eye on Treasury yields, with the 10-year note rising to 4.686% following the forecast change.Options traders are blasting Boeing Co (NYSE: BA), after the aerospace giant sold 95 aircrafts to Emirates Airlines for $52 billion. Already today, more than 121,000 calls and 45,000 puts have crossed the tape, which is four times the average intraday volume. New positions are opening at the three most popular contracts, led by the November 210 call. Last seen up 3.7% at $203.82, Boeing stock is extending a rally from its late-October annual lows. The stock is now just over 7.6% higher for 2023 and eyeing its best day since late July.Penumbra Inc (NYSE: PEN) stock is one of the best-performing securities on the New York Stock Exchange (NYSE) today after medical tech companies saw shares rise across the board on positive data surrounding the cardiovascular benefits of Novo Nordisk’s (NOVO) weight loss drug Wegovy. Last seen up 13.5%, though PEN is still 5% lower year to date.Shares of software concern N-Able Inc (NYSE: NABL) sit at the other end of the NYSE, even after the company reported a year-over-year rise in earnings per share and revenue, both of which also beat third-quarter expectations. Instead of a positive reaction to the event, NABL was last seen down 11.3% at $12.15 as it cuts into an 18% year-to-date lead.More By This Author:Stocks Enjoy Daily, Weekly Wins As Yields Settle S&P 500, Nasdaq Look For 2nd-Straight Weekly WinInflation Remarks Finish Off Market Rally