Berkshire Hathaway

This weekend, more than 40,000 of Warren Buffett's disciples will descend on his hometown for Berkshire Hathaway's annual shareholder meeting, where, among other things, they'll take part in a marathon Q&A session with the Oracle of Omaha himself. Here are three subjects sure to come up.

Let's go over some of the items that will help shape the week that lies ahead on Wall Street: Warren Buffett talks; plastic wins; organic food does too; GM reads its odometer; and recent IPOs check in.

Call it conscious capitalism or just good business, but these five companies have all prospered in every measure over the last decade by doing good for their employees, suppliers, customers or the general public.

This month, 12 more billionaire families committed to donate at least half of their wealth to charity by taking the Giving Pledge. Here are introductions to some of the new signatories and their pet philanthropic projects.

Mild panic swept through Berkshire Hathaway's shareholders Tuesday after Warren Buffet announced he had prostate cancer. But the panic was brief, and not just because the disease isn't life threatening.

Warren Buffett, the legendary investor and head of Berkshire Hathaway, announced Tuesday that he has stage 1 prostate cancer, which he describes as "not remotely life threatening or even debilitating in any meaningful way."

After Google announced its stock split last week, there may be a bit more pressure on Apple to consider a split of its own pricey shares. We break down what that would mean for investors, and whether it makes sense for the tech giant.