TD Ameritrade May client trades grew 38 percent

OMAHA, Neb. — Online brokerage TD Ameritrade Holding Corp. said Monday its average client trades per day grew 38 percent in May from the same month a year earlier, to 408,000.

Client assets totaled about $258 billion as of May 31, down 21 percent from May 2008 and up 6 percent from April 2009.

The company’s shares climbed 39 cents, or 2 percent, to close at $19.21.