these are the Top 10 cryptocurrencies in order of their market capitalization:

Name / Market Cap / Price / Available Supply / Volume (24h)
1 Bitcoin / $9,612,742,921 / $605.60 / 15,873,168 BTC / $41,723,500
2 Ethereum / $1,063,270,654 / $12.65 / 84,066,972 ETH / $9,349,760
3 Ripple / $252,489,168 / $0.007121 / 35,457,828,433 * / $4,361,150
4 Litecoin / $180,955,706 / $3.80 / 47,599,004 LTC / $1,312,540
5 Monero / $118,323,008 / $9.16 / 12,916,894 XMR / $5,668,860
6 Ethereum Classic / $109,997,286 / $1.31 / 84,025,121 ETC / $1,307,090
7 Steem / $80,180,157 / $0.548785 / 146,104,862 STEEM / $230,331
8 Dash / $79,643,455 / $11.81 / 6,745,615 DASH / $397,970
9 NEM / $47,590,290 / $0.005288 / 8,999,999,999 XEM * / $72,943
10 Factom // $28,523,327 / $3.26 / 8,753,219 FCT * / $500,308

Not mineable.

With this table of the top 10 cryptocurrencies posted on 170916 you can have a comparison in time, of the price, value and ranking position of this currencies, wich can be useful to identify an opportunity to mine, buy or sell any of these coins.
The actual full list of the 774 actual digital currencies ranking positions are updated every 24 hours on this site http://coinmarketcap.com/currencies/ so you can take a look at it whenever you want to make your analysis and decisions.
Wish you the best in your crypto minig and trading.