Incremental improvements in the state of the economy and a potential groundbreaking collaboration in the chip industry helped spark a broad-based market rally.

TSMC has pitched U.S. chip designers Nvidia, Advanced Micro Devices and Broadcom about taking stakes in a joint venture that would operate Intel's factories, according to four sources familiar with the matter. Alex Cohen has more. The scientists trying to save the fewer than 100 wild ocelots in the US