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In my opinion LTC is extremely undervalued right now and may very well have a bit of a jump over the next few weeks, especially as more and more people realize that BTC in the long term is aiming more to be used as a store of value or for large transactions (kind of like a savings account, similar to gold), while LTC on the other hand is designed to be used more for day to day transactions or pocket change (kind of like a checking account, similar to silver). With this the use case for LTC will become more apparent and its actual intended ratio to BTC will start to take place (should be closer to a ~4:1 ratio but is currently sitting at ~55:1).

As for Steem I think it is a good hold in the medium/long run, especially when you transfer it into Steem Power for the short term to collect the interest to offset the new Steem being added into circulation over time.

As for Ether, I think it has tons of potential, but while all these ICO's are still coming out almost daily it is a bit to speculative for my liking. I personally don't like when a coin/token moves up or down not based on what it does itself, but more-so on what other coins/tokens do which impact them. Basically Ether is currently to effected by what ICOs are happening or recently happened then anything else, and because of that I tend to avoid positioning into it (at least for the time being).