Personal Finance Daily: A major new study suggests it’s possible to avoid developing dementia and what NOT to buy on Amazon Prime Day


Happy Monday, MarketWatchers. Don’t miss these top stories:

A major new study suggests it’s possible to avoid developing dementia — here are 5 ways to reduce your risk

The study was published Monday by scientists at the University of Exeter and presented at the Alzheimer’s Association International Conference 2019 in Los Angeles.

Jeffrey Epstein’s $6.5 million donation to Harvard University under new scrutiny after sex trafficking arrest

The billionaire has donated money to a range of causes, from cancer research to a peace think tank.

Republican baby boomers are more likely to share #fakenews on Facebook

Social media doesn’t help people differentiate what is real from what is fake.

Jeffrey Epstein’s $56 million mansion could become a real-estate nightmare

What happens to the value of homes tainted with scandal?

What NOT to buy on Amazon Prime Day

Amazon’s annual sales promotion definitely offers consumers the chance to save—but not all deals are created equally.

What the IRS doesn’t tell you about self-employment taxes

Many taxpayers get confused about whether they owe the 15.3% self-employment tax.

Why it may be too late for Instagram, Facebook and Twitter to contain the epidemic in online bullying

Instagram has launched a new feature to help combat inappropriate content.

I promised my girlfriend a vacation if she paid off her car loan — how can I teach her to be more responsible with money?

‘Are these major red flags or is it just a matter of financial literacy?’

10 astounding Amazon Prime Day deals not to miss, according to bargain-shopping experts

Smart shoppers can save big on everything from the Instant Pot to the Apple Watch to the Roomba.

Jeffrey Epstein is banking on a $77-million house arrest — but many defendants can’t even afford bail of $2,500 or less

Epstein’s proposed bail package could theoretically get 6,000 defendants out of jail.

Elsewhere on MarketWatch
This is the simplest money rule of all time: Don’t be a debt zombie

If you owe money on your credit cards, just about everything is a luxury.

Opinion: Another reason your wages are low: it’s cheaper to hire convicts

U.S. workers must compete against low-paid workers in other countries, but they also face another source of competition much closer to home: prison labor.

The business lesson from Apollo 11 that we shouldn’t forget

NASA didn’t get us to the moon on its own.

Trump takes victory lap for slowdown in Chinese economy

President Donald Trump on Monday took credit for a slowdown in the Chinese economy that he says will lead to more favorable trading terms with the world’s second-largest economy.

President Donald Trump saddled with ‘racist in chief’ hashtag after his latest tweetstorm

Donald Trump took to Twitter early Sunday morning to tell Reps. Alexandria Ocasio-Cortez, Ilhan Omar, Rashida Tlaib and Ayanna Pressleyto to “go back” to their countries ”fix the totally broken and crime infested places from which they came.”

Oil prices end lower after last week’s gains as Gulf storm threat passes

Oil futures settle lower Monday, giving back a portion of last week’s sizable gains, as production in the Gulf of Mexico begins a post-storm recovery.

How investing in the stock market, like the Fyre Festival, could end up in disaster

Welcome to Wall Street’s version of the Fyre Festival. Or, as Vincent Deluard of INTL FCStone puts it, the “faking-it economy,” where you’ll find capitalism without capital” and “employers without employees.”

Bitcoin buyers are only fooling themselves — again

The second cryptocurrency bubble will end just like the first, writes Gary Smith.