More than three-quarters of adults over 50 would like to stay in their current homes as they age, but many believe that won't be possible as their infirmities add up. However, technology may be able to help with the advent of things such as smart appliances and speakers equipped with artificial intelligence.

A survey from TIAA found that 27% of adults are concerned about the financial security of their parents, and that those who are were more likely to worry about their own retirement security. The survey showed millennials have the most confidence in their parents' financial outlooks and baby boomers have the least.

Sen. Bernie Sanders, I-Vt., has introduced legislation for a financial-transaction tax of 0.5% for stocks, 0.1% for bonds and 0.005% for derivatives. The measure would recompense taxpayers for the Wall Street rescue after the financial crisis and would reduce the cost of college education, Sanders says.

A NerdWallet survey of more than 2,000 adults finds 21% of respondents have moved money to an online bank with a minimum interest rate of 2% during the past two years. The top reasons for not switching to an online bank are comfort with one's bank and a need to visit a branch.

The stock market needs to rebound toward a high to maintain a rally that has lasted a decade, technical analyst Andrew Adams says. Momentum is flagging, and the Dow Jones Industrial Average, the Nasdaq composite and the Russell 2000 index are under pressure, and the S&P 500 has potential to dip below an uptrend in place since 2009, Andrews says.

Exchange Traded Concepts has brought to NYSE Arca two artificial intelligence-based exchange-traded funds that use the Qraft AI Quantitative Investment System to pursue different strategies. The Qraft AI-Enhanced US Large-Cap ETF invests in stocks based on risk, quality, momentum, size and valuation, while the Qraft AI-Enhanced US Large-Cap Momentum ETF buys stocks based on momentum.

People approaching retirement age with little or no savings are in a situation that is difficult but not hopeless. There are three practical "catch-up" strategies financial planning experts recommend.

Federal Reserve officials are in agreement a patient approach to interest rates is the right course to take "for some time," according to meeting minutes. Many members support Chairman Jerome Powell's opinion that recent weakening of inflation is "likely to be transitory."

Global market volatility and the 24/7 news cycle make investors more likely to base decisions on emotion, write Colby Payne and Molly Weiss. They offer three strategies advisers can use to help prevent emotional investing, beginning with a focus on financial planning and investor education.

A patchwork of state and federal fiduciary and best-interest investment advice regulation is emerging, according to the Eversheds Sutherland law firm. The firm has created a chart to help financial professionals keep track of them.