FOREIGN EXCHANGES TO BUY BITCOINS WITH CARDS AND ALSO TRADE THEM

Below are foreign exchanges where you can buy bitcoins with your debit cards

www.cex.io
www.bitok.com
www.indacoin.com

you can also trade your bitcoin with fiat as well.

exchanges where you can trade bitcoin with altcoins
www.kraken.com
www.poloniex.com
www.btc-e.com

you can get more from www.coinmarketcap.com