can somebody help me make my script more efficient??

#!/usr/bin/python
import urllib2


#Get ticker symbol and parse it into a URL
quote=raw_input("Please enter the stock's symbol:")
web_url = "http://finance.yahoo.com/q?s=" + quote


#Retrieve the webpage and store it into a list
list = (urllib2.urlopen(web_url)).readlines()


#puts the line containing Last Trade price into price_string
#puts the line containing Trade Time into time_string
for x in range(len(list)):
  for i in range(len(list[x])):
    if list[x][i:i+11]=="Last Trade:":
      price_string = list[x]
    if list[x][i:i+11]=="Trade Time:":
      time_string = list[x]


#parses html out of price_string; puts it in quote
quote=""
for i in range(len( price_string)):
  if  price_string[i]=='<':
    wtf=1
    continue;
  if  price_string[i]=='>':
    wtf=0
    continue;
  if wtf==0:
    quote=quote+ price_string[i]
print quote


#parses html out of time_string; puts it in time
time=""
for i in range(len( time_string)):
  if  time_string[i]=='<':
    html=1
    continue;
  if  time_string[i]=='>':
    html=0
    continue;
  if html==0:
    time=time+ time_string[i]
print time

retrieve: 4.8
puts * 2: 0.18
parse price: 0.0005
parse time: 0.0005

#!/usr/bin/env python

import re, urllib

code = raw_input('Please enter the stock\'s symbol:')

tokens = re.compile('(Trade Time:.+?|Last Trade:.+?)\n')
source = urllib.urlopen('http://finance.yahoo.com/q?s=%s' % code).read()
source = tokens.findall(re.sub('<.+?>', '', source))

print source