Debt ceiling uncertainty dampens market optimism.

TL;DR
CNBC's Jim Cramer advises investors to maintain a high-cash position, even if lawmakers can cut a debt ceiling deal, as the market suffered after the 2011 debt ceiling deal. This year's debt ceiling debacle is running parallel to that of 2011, making it premature to get bullish on the market.
- Even if lawmakers can cut a debt ceiling deal, Jim Cramer says it's too early to get bullish CNBC
- Markets suffer a debt ceiling-induced vibe shift CNN
- Debt ceiling brinkmanship is overplayed, says Jefferies' David Zervos CNBC Television
- This one chart shows market risk of going down to the wire on debt ceiling CNBC
- Will the US actually default on its debt? JPMorgan warns the odds are rising Fox Business
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