Here are three of the week's top pieces of financial insight, gathered from around the web:

Mortgage rates fall below 3 percent
The average interest rate on a 30-year mortgage dipped below 3 percent for the first time ever, said Orla McCaffrey at The Wall Street Journal. According to mortgage giant Freddie Mac, average 30-year fixed rates have fallen nearly three-quarters of a percentage point since the start of the year, settling at a record-low 2.98 percent last week. It's a hard-to-believe milestone for anyone who remembers buying a home in the early 1980s, when rates "peaked above 18 percent." But banks have been more cautious about extending loans, because of the economic uncertainty, and a lack of inventory has contributed to an increase in home prices, "potentially muting any savings from low rates." Nonetheless, more buyers seem to be "venturing into the market," with mortgage applications rising 17 percent in June compared with a year earlier.

An IPO windfall disappears
Some former employees are blaming Uber for outsize tax bills, said David Ingram at NBC​ News. "Employees or early investors who hold stock in companies that are going public are typically required to wait to sell their shares until a certain amount of time has passed." But companies get to decide when to grant the stock to employees. In Uber's case, it delivered its shares on the day of its initial public offering, "meaning employees would be taxed" at Uber's price of $45 per share, which they were restricted from realizing. At the end of the six-month lockup period, shares had dropped to $27. Peter Moody, a software engineer, said he joined Uber with "a lower salary but the promise of stock." His tax bill, however, "wiped out the promised reward."

New rules for health savings accounts
HSAs and FSAs have become a better deal, thanks to new rules passed in the wake of the pandemic, said Lisa Gerstner at Kiplinger. High-deductible plans paired with a health savings account can now exempt telemedicine from the deductible — a change in the "no first dollar" coverage rule that limited who could benefit from the tax-advantaged savings plans. The economic stimulus package enables you to use money from HSAs or FSAs (flexible spending accounts) to pay for more expenses, including over-the-counter drugs. The IRS is also "allowing certain midyear changes to FSAs that are typically permitted only during open enrollment." The offers vary by employer, but you may be able to adjust the amount you put into your plan.

This article was first published in the latest issue of The Week magazine. If you want to read more like it, you can try six risk-free issues of the magazine here.