Airline sector options are active again as oil price volatility impacts margins. Investors in options on DAL and AAL are using collars to protect gains from recent rallies while maintaining exposure to potential upside. Implied vol in the sector remains around 35%, highlighting persistent earnings uncertainty. Since Buffett took control of Berkshire in 1965, its stock has delivered a compound annual return of 19.9%. An investment of $1,000 back then would have been worth a staggering $44.7 million at the end of 2024. The same investment in the S&P 500 (SNPINDEX: ^GSPC) would have grown to just $342,906 over the same period. Why invest: Like a bond, preferred stock makes a regular cash payout. But, unusually, companies that issue preferred stock may be able to suspend the dividend in some circumstances, though often the company has to make up any missed payments. And the company has to pay dividends on preferred stock before dividends can be paid to common stockholders. Investing in options has seen increased retail trader activity this month, driven by higher implied volatility in tech stocks like NVDA and AAPL. Data from the CBOE shows call option volume up 14% week-over-week as investors speculate on earnings beats in Q