Updated from 2:06 p.m. EST with new stock prices

Investors weren't showing much love for small-cap stocks this Valentine's Day, dumping them unceremoniously to lows unseen by the broader market. The Russell 2000 got jilted, losing 2.3% to 705.34, and the S&P SmallCap 600 lost 2.2% to 372.01.

Shareholders untied The Knot ( KNOT), sending the New York wedding-related Internet company down 16.1% to $11.66. Wednesday after the close, the company announced fourth-quarter income of $2.6 million, or 8 cents a share, vs. $14.6 million, or 45 cents a share, in 2006. Analysts polled by Thomson Financial were looking for 7 cents a share. This morning, however, JPMorgan downgraded the stock to neutral from overweight.

Also broken was Heartland Payment Systems ( HPY), a Princeton, N.J., provider of bank card processing services, which fell 12.9%. For the fourth quarter excluding charges, Heartland posted a year-over-year 15% increase in profit to $8.7 million, or 22 cents a share, falling short of the Street's prediction of 27 cents a share. The company also gave poor guidance, saying it would earn between $1.13 and $1.17 a share in 2008. Analysts see $1.26 in EPS for the year.

Denny's ( DENN) shares also fell hard, down 15.4% to $3.03 after the Spartanburg, S.C.-based restaurant operator posted adjusted fourth-quarter earnings of $3.4 million, vs. $7.3 million, a year ago. Analysts were looking for $6.6 million. For 2008, the company forecast restaurant sales declines and a same-store sales loss of up to 2%.

Several stocks managed to secure investors' affections. Shares of Libbey ( LBY), a Toledo-based maker of tableware products, puckered up 11.3% to $16.10 after announcing it swung to an adjusted fourth-quarter profit of $10.3 million, or 71 cents a share, from an adjusted loss of $8.5 million, or 60 cents a share, a year ago. Wall Street had been expecting a loss of 4 cents a share.

Finally, Faro Technologies ( FARO) jumped 17.1% to $29.26 on last night's fourth-quarter earnings report. The Lake Mary, Fla., maker of technical software reported income of $8.4 million, or 50 cents a share, vs. $3.7 million, or a quarter a share, in 2006. Analysts were predicting 34 cents a share.