Home furnishings group Restoration Hardware Holdings Inc (NYSE:RH) dropped 1.32% after hours to US$102.50 a share.
It came after the US group posted earnings that met expectations but posted revenue that fell below Wall Street estimates.
RH also offered light guidance for the fourth quarter.
In other news, Aerovironment Inc (NASDAQ:AVAV) shares added over 23% to US$53.50 after the New York bell after the tech group focused on energy and unmanned aerial vehicles reported big beats on its top and bottom lines.
The firm posted 29 cents a share in earnings, versus an expected loss of six cents a share, while revenues came in at US$73.8 million - above Wall Street expectations of US$63.5 million.
Meanwhile, Dave & Buster's Entertainment Inc (NASDAQ:PLAY), the restaurant and entertainment group, saw shares surge nearly 9% in extended hours, post an earnings beat.
The group added that it sees its revenue for 2018 rising in the low double digits, compared with a Wall Street estimate of 12.3%.