Most rate-sensitive stocks including Apple Inc AAPL.O, Amazon.com Inc AMZN.O and Alphabet Inc GOOGL.O gained between 0.4% and 0.5% in premarket trading. The data will come on the heels of November's slightly higher-than-expected producer price reading on Friday, amid a jump in the costs of services, but the trend is moderating, with annual inflation at the factory gate posting its smallest increase in 1-1/2 years. "With markets pricing two-way risk on the Fed's hiking trajectory, we've seen more volatile trading in response to data points that support either narrative," said Mark Haefele, chief investment officer, UBS Global Wealth Management.