This Friday marks triple-witching day, where stock options, stock index futures, and stock index options contracts all expire simultaneously. Nvidia is particularly noteworthy today, with speculation swirling that a significant portion of their outstanding options may expire by day's end. Recent heat waves in the United States might affect your stock portfolio. Research from the University of Calgary suggests that companies in sectors like utilities and healthcare tend to experience decreased earnings during periods of extreme heat. Warren Buffett has been actively investing, acquiring shares of Occidental Petroleum for nine consecutive days, increasing his stake to 28.8% with over 255 million shares. Buffett also sold 1.3 million shares of the Chinese EV maker BYD on June 11th. Boeing CEO Dave Calhoun faced intense scrutiny on Capitol Hill this week, apologizing for the company's recent mishaps but enduring tough questions from lawmakers. Despite being in the hot seat, Calhoun plans to step down as Boeing's CEO by year-end, leaving uncertainty about his successor. Golden Goose, known for its unique and trendy shoe designs, has decided to postpone its IPO. Despite this setback, the Italian sneaker company reported a promising 12% increase in revenue for the first quarter of this year.

Bulletin Brief: 

Triple-witching day and Nvidia (MB, MarketWatch)

Extreme heat hurting stocks (MB)

Warren Buffet’s moves  (MB, CNBC)

Boeing CEO testifies before Senate (MB)

Golden Goose postpones IPO (MB)