The S&P 500 gained 0.5% on Thursday, Jan. 23, reaching a record close as President Donald Trump pressed for lower oil prices ...
The current top five companies in the S 500 account for a greater chunk of the index than at any time over the last 60 years.
U.S. stock futures were dropping Wednesday after Google-parent Alphabet and electric ... Contracts tied to the S&P 500 fell 0.7%, and those for the technology-heavy Nasdaq dived 1.2%.