发信人: pharma (Panda), 信区: Stock
标 题: 大潮退去，看谁在裸泳
发信站: BBS 未名空间站 (Sat Apr 30 15:56:21 2022, 美东)
2020年3月先暴跌后来暴涨，所以从2020年1月开始算收益比较合理。下面是各大指数和个
股从2020年1月到2022年4月的return (total 28 months):
SPY: 27%
QQQ: 44%
DIA: 15%
IWM: 12%
XLE: 25%
XLF: 13%
XLV: 27%
ARKK: -9%
XBI: -21%
IJH: 21%
IJR: 24%
AAPL: 103%
MSFT: 72%
GOOG: 64%
AMZN: 32%
FB: -5%
过去2年多buy and hold仍然是QQQ胜出其它指数。标普还是非常稳，不愧为最稳的指数
，小散buy and hold不二选择。你同期的收益beat了标普和QQQ吗？
大科技里面苹果是最大收益者，不知道未来几年会不会均值回归。
https://killer.sh Pre Setup Once you've gained access to your terminal it might be wise to spend ~1 minute to setup your environment. You could set these: alias k = kubectl # will already be pre-configured export do = "--dry-run=client -o yaml" # k get pod x $do export now = "--force --grace-period 0" # k delete pod x $now Vim To make vim use 2 spaces for a tab edit ~/.vimrc to contain: set tabstop=2 set expandtab set shiftwidth=2 More setup suggestions are in the tips section . Question 1 | Contexts Task weight: 1% You have access to multiple clusters from your main terminal through kubectl contexts. Write all those context names into /opt/course/1/contexts . Next write a command to display the current context into /opt/course/1/context_default_kubectl.sh , the command should use kubectl . Finally write a second command doing the same thing into ...
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