EAST Wayne Ruder, 56, owner for 20 years of The Ruder and Co. Jewelry and Antiques, in Baltimore, was shot and killed in his store in December, according to a local news report. Police found no signs of forced entry or missing merchandise and are calling the killing a mystery. Northeastern Fine Jewelry, a four-store chain based in Albany, N.Y., recently introduced a special Siena-theme charm bracelet, named for the local college. Ten percent of the proceeds go to Siena athletics, and each bracelet includes a starter charm—a sterling silver basketball. SOUTH Herbert Jewelers, a store based in Fort Valley, Ga., since 1945, will close at the end of the year, according to a local news source, because the owners do not have a family member who wants to take over. Burton Jewelers, a nearly century-old jeweler located in Laurel, Miss., is closing, according to a local news report