The Budapest Stock Exchange main BUX index finished the session on Tuesday down 2.8% at 18,322, dropping on a bigger than expected slowdown of economic growth in Germany, Hungary's biggest export market.
Data published early Tuesday showed Germany's GDP growth slowed to 0.1% in Q2 from 1.3% in Q1.
OTP Bank lost 3.5% to HUF 4,300 on turnover of HUF 11 billion or two-thirds of the HUF 16.5 billion session total.
Oil and gas group MOL plunged 3.7% to HUF 16,850 on turnover of HUF 4.1 billion.
Magyar Telekom dropped 1.2% to HUF 504 on turnover of HUF 77 million.
Drugmaker Richter fell 2% to HUF 34,000 on turnover of HUF 436 million.