Stocks extend slide, Chevron mega-deal, Apple slumps, 2-year auction on deck, Roivant drug sale - 5 Things To Know

^{Five things you need to know before the market opens on Monday October 23:}

1. -- Stock Market Today: Stocks slide, 10-year yields top 5%, as war risks cloud markets

 Lingering risks of a region-wide conflict in the middle east, alongside an extended surge in Treasury yields, has stocks back in the red in early Monday trading.

2. -- Chevron targets Hess Corp in $53 billion oil sector mega-deal

In the second major oil mega-deal in less than a month, Chevron said Monday it will pay $53 billion for Hess Corporation.

3. -- Apple slides amid reports of China tax probe into iPhone assembler Foxconn

Taiwan based Foxconn, the world's biggest assembler of Apple iPhones, is reportedly in the crosshairs of tax authorities in China.

4. -- Bond markets back in focus, with 2-year auction on deck, as selloff continues

The Treasury will kick-off another $114 billion on bond sales this week with a benchmark 2-year auction later today that will provide a stern test of demand in a weakening market.

5. -- Roivant surges as Vivek Ramaswamy-found firm sells bowel disease drug for $7.1 billion

Roivant, the drug developer founded by Republican Presidential candidate Vivek Ramaswamy, has sold the rights to its bowel disease treatment for $7.1 billion.