Check out which companies are making headlines after the bell Tuesday:
Analog Devices - The makers of integrated circuits posted first-quarter earnings of 49 cents a share on revenue of $628 million. Analysts had estimated EPS of 48 cents on revenue of $629 million. Analog projected current-quarter revenue and profit above estimates. Its shares were up in after-hours trading.
Potbelly - Shares declined in extended-hours trading after the sandwich shop operator reported fourth-quarter earnings of $75 million versus an estimate of $76 million.
Herbalife - The seller of nutritional supplements reported adjusted fourth-quarter EPS of $1.28 excluding items on $1.27 billion in revenue. Analysts had expected EPS of $1.25 on revenue of $1.25 billion. The company forecast first-quarter EPS of $1.25 to $1.29, against an estimate of $1.35. Its shares rose in after-hours trading.