Shaking off its early morning uncertainty, the Dow Jones Industrial Average (DJI) is charging higher this afternoon, tapping another record high thanks to a boost from Amazon.com (AMZN) and several other Big Tech names. The S&P 500 Index (SPX) and Nasdaq Composite (IXIC) are modestly higher, as investors digest December's S&P services purchasing manufacturing index (PMI) data, which read at its slowest pace in eight months. The 52.5 reading was down from November and below estimates of 53.0, indicating weak December activity and a cracking U.S. economy

Pharma name Pfizer Inc (NYSE: PFE) is seeing unusual options activity today, with 207,000 calls and 138,000 puts across the tape so far-- four times the average intraday pace. Most popular are the January 2026 26-strike call and the weekly 1/9 25.50-strike put. Igniting today's attention is news of Pfizer's partnership with Cartography Biosciences, where they will collaborate on tumor-selective antigen research. In addition, PFE has added 17% in the past nine months.

3D Systems Corp (NYSE: DDD), is one of the top stocks on the New York Stock Exchange (NYSE) today, last seen up 8.3% at $2.16, after sharing plans, yesterday, to expand its Littleton, Colorado facility, giving a boost to aerospace and defense manufacturing. DDD has added 22% over the past six months and is now headed for a fourth-straight win. However, the shares look to be facing off with overhead resistance at the 50-day moving average.

One of the worst NYSE performers today is Roblox Corp (NYSE: RBLX), last seen down 4.6% at $76.32. The video game giant is lower after Super League took a high equity stake in the company's "Ride or Die!" game. TD Cowen cut its price target to $70 from $77 in response. RBLX is now pacing for its lowest close since May and has shed 26% over the past six months.

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