The bull market is turning 4 years old — but yields could crash the party

For four years, tech has been the answer to almost every question about this bull market.

Source: [MarketWatch](https://www.marketwatch.com/story/the-bull-market-is-turning-4-years-old-but-yields-could-crash-the-party-1305fe6c?mod=mw_rss_topstories)