wget出现怪事

[罗非鱼]

请看：
pt@pt-laptop:~$ wget http://finance.yahoo.com/q/is?s=c+Incom ... ent&annual -O /home/pt/usastock/c
[1] 15573
--2010-07-20 21:35:32-- http://finance.yahoo.com/q/is?s=c+Income+Statement
Resolving finance.yahoo.com... annual: command not found
pt@pt-laptop:~$ 67.195.146.230
Connecting to finance.yahoo.com|67.195.146.230|:80... connected.
HTTP request sent, awaiting response... 200 OK
Length: unspecified [text/html]
Saving to: `is?s=c+Income+Statement'

[ <=> ] 37,580 18.7K/s in 2.0s

2010-07-20 21:35:36 (18.7 KB/s) - `is?s=c+Income+Statement' saved [37580]

pt@pt-laptop:~$
这个命令为何会执行成这个样子？
1.它来了个command not found，跳出了我的终端
2.它自动又进入了我的终端
3.没有按照我的命令指定位置放置下载页面，按照默认的方式放在了/home/pt/下面
为何会这样？

[JiangHui]

地址加引号

[罗非鱼]

wget 'http://finance.yahoo.com/q/is?s=c+Incoment&annual' -O /home/pt/usastock/c
测试通过，谢谢