Hertz Global Holdings, Inc HTZ 0.11% stock had been on quite a run since bottoming at $8.52 back in June, but the rally came to a halt on Tuesday when the stock plunged more than 20 percent following disappointing Q3 earnings reports from competitors TrueCar Inc TRUE 1.59% and Avis Budget Group Inc. CAR 1.98%.

Activist hedge fund manager Bill Ackman was dealt another blow this week when he came out on the losing side of a proxy battle to place three Pershing Square representatives on the board of Automatic Data Processing ADP 0.03%.

Intel Corporation INTC 2.23% and Advanced Micro Devices, Inc. AMD 1.16% on Monday announced a new partnership in which Intel will now be using AMD’s Vega GPU in its multi-chip high-end notebook packages.

Bitcoin surged to a new all-time high this week, crossing the $7,000 level for the first time ever. But while some onlookers see bitcoin and other cryptocurrencies as a massive financial bubble, others say the bitcoin rally is just getting started.

Advanced Micro Devices, Inc. AMD 1.16% may have some major upside ahead, and investors have a rival semiconductor company to thank. AMD announced a new semi-custom deal with Intel Corporation INTC 2.23% on Monday that could provide a boost for AMD investors.

Intel Corporation INTC 2.23% took a breather from its huge post-earnings rally on Friday, finishing the day down 1.6 percent. Still, Intel is revisiting territory it hasn’t breached since its dot-com bubble highs.

Credit Suisse has initiated coverage on a number of managed care and health care facilities stocks and is mostly bullish on the space. In the initiation note, analyst A.J. Rice said the fundamentals of managed care stocks are appealing, but their current valuations likely limit upside.

Apple Inc. AAPL 0.56% stock jumped 2 percent on Friday to hit new all-time highs after the company reported a fiscal fourth-quarter earnings beat and issued guidance that impressed the market. A number of Wall Street analysts weighed in on Apple following the report.

Following an impressive third-quarter earnings report, Argus analyst Jim Kelleher upgraded Twitter Inc TWTR 1.96% from Hold to Buy.

CME Group Inc CME 0.43%, operator of the world’s largest options and futures exchange, announced this week that it will be launching bitcoin futures starting in the fourth quarter.