Turnover slumped to BGN 28,024 /USD 13,764/ on the Bulgarian Stock Exchange on Wednesday from Tuesday's BGN 229,632 due to lack of block deals. In real-time trading, shares in steel mill Kremikovtsi changed hands at BGN 0.79, up 4% from previous trading a week ago, and Solvay Sodi soda ash producer traded at BGN 10, down 0.89% from Tuesday. Total trading volume was 12,466 shares, compared with 75,490 on Tuesday