The BUX lost 228 points on a composite exchange turnover of HUF 13.55 billion, fluctuating in a 3.78% range between an intra-session high of 18,327.50 at 9:15 a.m. and an intra-session low of 17,635.45 at 4:45 p.m.
The mid-cap BUMIX index also declined on Thursday, losing 17.96 points, or 1.20%, to 1,481.29.
BSE blue-chips stood as follows at Thursday's closing bell:
Oil and gas company MOL lost 4.45% to HUF 16,100 on a turnover of HUF 3.73 billion;
Drug company Richter declined 1.62% to HUF 34,000 on a turnover of HUF 315 million;
Magyar Telekom lost 0.40% to HUF 500 on a turnover of HUF 276 million;
OTP Bank gained 2.00% to HUF 4,080 on an exchange-high turnover of HUF 8.98 billion.
The BSE Big Four generated 98.2% of the exchange's composite Thursday turnover.
Other major central and eastern European blue-chip stock indices finished mixed on Thursday, with Prague's PX-50 gaining 1.01%and Warsaw's WIG-20 losing 0.76%.