Fitch Ratings has placed the National Long-Term Ratings of 13 Sri Lankan banks on Rating Watch Negative (RWN). The banks are: -People’s Bank (Sri Lanka) (PB) -Commercial Bank of Ceylon PLC -Hatton National Bank PLC -Sampath Bank PLC -National Development Bank PLC -DFCC Bank PLC -Seylan Bank PLC -Nations Trust Bank PLC -Pan Asia Banking...