Signet Jewelers rises on fourth-quarter beat

Signet Jewelers' SIG.N shares up 12.42% at $54.30 premarket

Co posts Q4 sales of $2.35 billion, compared with analysts' expectations of $2.33 billion

Company earns $6.62 per share on an adjusted basis, beating estimates of $6.25, according to data compiled by LSEG

Co's Q4 same-store-sales declined 1.1%, smaller than estimates of a decline of 2.03%

SIG stock had fallen about 40.16% YTD, as of last close