(AP) — Online brokerage TD Ameritrade is offering a day of free seminars about investing Tuesday to help people plan for retirement.

The Omaha, Neb., based company is offering seven free webcasts throughout the day about the economy, the stock market and investment options.

TD Ameritrade’s Robert Miller says investors need to understand how rising health care costs and longer life spans might affect their retirement expenses.

TD Ameritrade says the education event will start at 9 a.m. Central on Tuesday and continue until 7 p.m.

More details about the event are available online at www.tdameritrade.com/educationday.