SAN FRANCISCO (AP) — Shares of Trulia Inc. jumped more than 40 percent in their first day of trading on the New York Stock Exchange, marking one of the biggest gains in a trading debut in recent months.

The San Francisco-based real estate website operator’s shares opened at $22.10 Thursday morning, after pricing at $17 the previous day. By late morning, the shares were up $7, or 41 percent, to $24 after trading as high as $24.25.